The GEF model: Assessment of fission-fragment properties over an extended region
Résumé
Calculations with the fission model GEF are performed over an extended region in fissioning-system mass A, charge Z, excitation energy E∗ and angular momentum L. The present contribution focuses on fission-fragment mass and isotopic distributions, benefiting from recent innovative measurements. The influence of the system (A, Z, E∗, L) properties and of multi-chance fission is studied. The impact of accurate experimental knowledge about these properties and instrumental resolution is discussed. The need of as selective and accurate as possible experimental data to improve the model is demonstrated.